The game features yakuza taking on zombies in a destroyed urban center.

Today, Sega revealed the game's first production run box art, which carries the words "がんばろう、日本！" or "Let's work hard together, Japan!" or "Let's hang in there, Japan!" or even "Let's try hard, Japan!" There are also stickers, too that carry the same encouraging message.

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Sega is donating a portion of the game's profits to Japanese earthquake relief.